72391639 is an odd 8-digits prime number following 72391638
and preceding 72391640 . In scientific notation, it is written as 7.2391639 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 72391638 positive integers (up to 72391639) that are relatively prime to 72391639.
72391639 has 2 divisors, whose sum is 72391640
The reverse of 72391639 is 93619327
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 40 Digital Root 4
Name
seventy-two million three hundred ninety-one thousand six hundred thirty-nine
Scientific notation
7.2391639 × 10^7
Engineering notation
7.2391639 × 10^6
Prime Factorization
72391639
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
72391639 Product of the distinct prime numbers
The prime factorization of 72391639 is 72391639.
Since it has a total of 1 prime factors.
5 , 10 , 43 , 52 , 522 , 460 , 6091 , 249 , 37480 , 94266 , 878697 , 794868 , 2013695 , 5679085 , 58395669 , 48034362 , 313836456 , 866770172 , 5772477904 , 5762399281
n×2
144783278
n×3
217174917
n×4
289566556
n×5
361958195
n÷2
36195819.5
n÷3
24130546.333333
n÷3
18097909.75
n÷5
14478327.8
n2
5240549397106321
n3
3.7937196011699E+23
n4
2.7463357983511E+31
n5
1.9881174968701E+39
2 √n8508.327626508
3 √n416.769699178
4 √n92.240596412361
5 √n37.319660295247
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
72391640 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
36195820 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8508.327685274 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999723725 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72391639 can be divided by 2 positive divisors.
The sum of these divisors (counting 72391639) is 72391640, the average is 36195820.
Base
System
Value
2
Binary
100010100001001101111010111
3
Ternary
12001012212122211
4
Quaternary
10110021233113
5
Quinary
122013013024
6
Senary
11103334251
8
Octal
424115727
10
Decimal
72391639
12
Duodecimal
202b1387
16
Hexadecimal
4509bd7
20
Vigesimal
12c8j1j
36
Base36
173lqv
md5
21841358ec25e466d834c65aee8474d5
sha1
8d485d5101846e5c5d4692087b5c9fc63db1c6e9
sha256
3a51d7b0c0d7da4cfa6ac9dd08b1ae6c921c0f5e967b15140df4d5416e5873c3
sha512
62df9d6283cbad58a842272118dbec95feb8d278c0e13af6abe1952c741bfa7c3e1111f2dab43d39a1b411db063888cb3c8af354a9a45e55d3bdbe4626ebcfc6
ripemd-160
422a2565017d4de39131965cceb9e5e47d87e425
Diameter
144783278
Circumference
454850082.52745
Area
1.6463671486724E+16
Volume
1.5891095505087E+24
Surface area
6.5854685946895E+16
Circumference
454850082.52745
Perimeter
289566556
Area
5240549397106321
Diagonal
102377237.67622
Surface area
31443296382637926
Volume
3.7937196011699E+23
Space diagonal
125385996.79118
Perimeter
217174917
Area
2.2692244538406E+15
Altitude
62692998.395592
Surface area
2.2692244538406E+15
Volume
4.4709414265126E+22
Height
34125745.892072